764757420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:648

約数の個数: 192

約数和(自身を含む): 2540160000

約数和(自身を除く): 1775402580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 89, 105, 123, 140, 164, 178, 205, 210, 246, 267, 287, 356, 410, 420, 445, 492, 499, 534, 574, 615, 623, 820, 861, 890, 998, 1068, 1148, 1230, 1246, 1335, 1435, 1497, 1722, 1780, 1869, 1996, 2460, 2492, 2495, 2670, 2870, 2994, 3115, 3444, 3493, 3649, 3738, 4305, 4990, 5340, 5740, 5988, 6230, 6986, 7298, 7476, 7485, 8610, 9345, 9980, 10479, 10947, 12460, 13972, 14596, 14970, 17220, 17465, 18245, 18690, 20459, 20958, 21894, 25543, 29940, 34930, 36490, 37380, 40918, 41916, 43788, 44411, 51086, 52395, 54735, 61377, 69860, 72980, 76629, 81836, 88822, 102172, 102295, 104790, 109470, 122754, 127715, 133233, 143213, 153258, 177644, 204590, 209580, 218940, 222055, 245508, 255430, 266466, 286426, 306516, 306885, 310877, 383145, 409180, 429639, 444110, 510860, 532932, 572852, 613770, 621754, 666165, 716065, 766290, 859278, 888220, 932631, 1227540, 1243508, 1332330, 1432130, 1532580, 1554385, 1718556, 1820851, 1865262, 2148195, 2664660, 2864260, 3108770, 3641702, 3730524, 4296390, 4663155, 5462553, 6217540, 7283404, 8592780, 9104255, 9326310, 10925106, 12745957, 18208510, 18652620, 21850212, 25491914, 27312765, 36417020, 38237871, 50983828, 54625530, 63729785, 76475742, 109251060, 127459570, 152951484, 191189355, 254919140, 382378710, 764757420]

約数ペア:

[(1, 764757420), (2, 382378710), (3, 254919140), (4, 191189355), (5, 152951484), (6, 127459570), (7, 109251060), (10, 76475742), (12, 63729785), (14, 54625530), (15, 50983828), (20, 38237871), (21, 36417020), (28, 27312765), (30, 25491914), (35, 21850212), (41, 18652620), (42, 18208510), (60, 12745957), (70, 10925106), (82, 9326310), (84, 9104255), (89, 8592780), (105, 7283404), (123, 6217540), (140, 5462553), (164, 4663155), (178, 4296390), (205, 3730524), (210, 3641702), (246, 3108770), (267, 2864260), (287, 2664660), (356, 2148195), (410, 1865262), (420, 1820851), (445, 1718556), (492, 1554385), (499, 1532580), (534, 1432130), (574, 1332330), (615, 1243508), (623, 1227540), (820, 932631), (861, 888220), (890, 859278), (998, 766290), (1068, 716065), (1148, 666165), (1230, 621754), (1246, 613770), (1335, 572852), (1435, 532932), (1497, 510860), (1722, 444110), (1780, 429639), (1869, 409180), (1996, 383145), (2460, 310877), (2492, 306885), (2495, 306516), (2670, 286426), (2870, 266466), (2994, 255430), (3115, 245508), (3444, 222055), (3493, 218940), (3649, 209580), (3738, 204590), (4305, 177644), (4990, 153258), (5340, 143213), (5740, 133233), (5988, 127715), (6230, 122754), (6986, 109470), (7298, 104790), (7476, 102295), (7485, 102172), (8610, 88822), (9345, 81836), (9980, 76629), (10479, 72980), (10947, 69860), (12460, 61377), (13972, 54735), (14596, 52395), (14970, 51086), (17220, 44411), (17465, 43788), (18245, 41916), (18690, 40918), (20459, 37380), (20958, 36490), (21894, 34930), (25543, 29940)]